Elmar Wolfstetter Thomas Giebe License Auctions with Royalty Contracts for (Winners and) Losers. 2007 Computational Social Systems and the Internet http://drops.dagstuhl.de/opus/volltexte/2007/1151 conf/dagstuhl/2007P7271 db/conf/dagstuhl/P7271.html#WolfstetterG07